CERN Accelerating science

CMS Conference Reports

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2022-05-24
17:27
Recent CMS heavy flavor physics results / Simone, Federica Maria (INFN, Bari ; Bari U.) /CMS Collaboration
In this paper, recent results in the B-physics field achieved using proton-proton collision data at $\sqrt{s}=8$ TeV and $13$ TeV collected by CMS are presented. They include the angular analysis of the decay $\mathrm{B^{+}}\to \mathrm{K}^{*+} \mu^{+} \mu^{-}$ with Run 1 data, new measurements of D and B mesons production cross sections and CP violation studies using ${B}_s^{0}$ decays with Run 2 data. [...]
CMS-CR-2021-043.- Geneva : CERN, 2021 - 9 p. Fulltext: PDF;
In : 9th International Conference on New Frontiers in Physics (ICNFP), Online, Greece, 4 - 12 Sep 2020

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2022-05-23
13:56
Performance monitoring of the GE1/1 Triple-GEM detectors for the CMS Muon System / Milella, Gabriele (DESY) ; Simone, Federica Maria (INFN, Bari ; Bari U.) /CMS Collaboration
The muon system of the CMS experiment has been instrumented with two wheels of triple-GEM detectors in order to ensure redundancy in the pseudo-rapidity region 1.55-2.18 so keeping the trigger rate at an acceptable level while not compromising the CMS physics potential in Run 3 of the LHC.The station, named GE1/1, provides two additional muon hit measurements which will improve the muon tracking and triggering performance in combination with the existing CSC detectors.As the commissioning phase of the detector is ongoing, prompt assessment of the muon detection performance is crucial for adjusting the operating parameters of the detector and its electronics. This contribution will present a set of analysis tools developed for the detector performance monitoring based on tools common to all the CMS muon subdetectors. [...]
CMS-CR-2021-138.- Geneva : CERN, 2021 - 7 p. Fulltext: PDF;
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, GB, 7 - 12 Jun 2021

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2022-05-23
13:54
BSM H searches and rare H decay searches at CMS and ATLAS / Cooperstein, Stephane B (UC, San Diego) /ATLAS and CMS Collaborations
Searches for rare Higgs boson decays and extensions of the Higgs sector beyond the standard model are key to probing the dynamics of electroweak symmetry breaking. With the large LHC Run-2 dataset, considerable progress has been made in probing the largely unexplored Higgs boson interactions with the lighter fermions, as well as in searching for signs of new physics in the Higgs sector with mass scales ranging from 100 MeV to several TeV. [...]
CMS-CR-2022-064.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 12 - 19 Mar 2022

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2022-05-23
13:54
Highlights from searches at CMS / Benato, Lisa (Hamburg U.) /CMS Collaboration
A selection of the latest CMS results is presented. Searches for new physics are performed with \mbox{Run-2} data and target new unexplored phase spaces, exploit new techniques and aim at non-conventional signatures..
CMS-CR-2022-062.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 19 - 26 Mar 2022

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2022-05-23
13:54
Standard Model multibosons at CMS and ATLAS / Massironi, Andrea (INFN, Milan Bicocca) /ATLAS and CMS Collaborations
Multiboson measurements in ATLAS and CMS reached a high level of precision with LHC Run 1 and Run 2 data taking. In this report the most recent results of di-boson (WW, WZ, ZZ, V$\gamma$), tri-boson (WWW, WWZ, WZZ, ZZZ), and rare production mechanisms (electroweak and photon-induced) will be shown. [...]
CMS-CR-2022-061.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 19 - 26 Mar 2022

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2022-05-23
13:54
Dark matter searches at CMS and ATLAS / Perez Adan, Danyer (DESY) /ATLAS and CMS Collaborations
A glimpse into the most recent searches for Dark Matter at the LHC performed by the ATLAS and CMS collaborations is presented. The results covered in this document are all based on Run-2 proton-proton collision data recorded at $\sqrt{s}=13\text{ TeV}$ and corresponding to an integrated luminosity of just under 140 fb\textsuperscript{-1}..
CMS-CR-2022-059.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 12 - 19 Mar 2022

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2022-05-23
13:54
Phase 1 Upgrade of the CMS Hadron Calorimeter / Isik, Candan (Cukurova U.) /CMS Collaboration
The Phase 1 upgrade of the CMS Hadron Calorimeter detector (HCAL) involved installing silicon photomultipliers (SiPM) to measure the scintillator light output with better signal/noise and upgrading the read-out electronics, allowing for increased longitudinal segmentation and better performance. This talk will summarize the design, testing, installation, and commissioning of the HCAL Phase 1 upgrade. [...]
CMS-CR-2022-049.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : Vienna Conference on Instrumentation, Online, Online, 21 - 25 Feb 2022

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2022-05-16
15:35
Standard model highlights at CMS / Gilbert, Andrew James (Northwestern U.) /CMS Collaboration
An overview of recent vector boson and top physics measurements is presented. These results use a $\sqrt{s}=13\,\mathrm{TeV}$ proton-proton collision data set recorded in 2016--2018 with integrated luminosities of up to $138\,\mathrm{fb}^{-1}$..
CMS-CR-2022-057.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 19 - 26 Mar 2022

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2022-05-16
15:34
Inclusive and differential top quark pair cross-section measurements at CMS / Fernandez Menendez, Javier (Oviedo U.) /CMS Collaboration
Recent results and state-of-the-art on top-quark pair production cross sections in both inclusive and differential measurements are presented, obtained using data collected with the CMS experiment during the LHC Run2 period at centre-of-mass energies ranging of 5.02 and 13TeV. Results are confronted against SM NLO and NNLO order predictions, several MC generators and tunes, and parton density function variations, with a special focus on the latest Run2 results [...]
CMS-CR-2021-136.- Geneva : CERN, 2021 - 7 p. Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021

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2022-05-09
12:47
Development of a L1 tau lepton trigger algorithm for the HL-LHC using the CMS high-granularity calorimeter information / Motta, Jona (Ecole Polytechnique) /CMS Collaboration
The High-Luminosity LHC will open an unprecedented window on the weak-scale nature of the universe, providing high-precision measurements of the Standard Model (SM) as well as searches for new physics beyond the SM. The CMS Collaboration is planning to replace entirely its trigger and data acquisition systems to match this ambitious physics program. [...]
CMS-CR-2021-142.- Geneva : CERN, 2021 - 6 p. Fulltext: PDF;
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, GB, 7 - 12 Jun 2021

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